<!DOCTYPE html>
<html>
<head>
	<title>canvas练习</title>
	<meta charset="utf-8"/>
	<script type="text/javascript" src="index.js"></script>

</head>
<body>

<p>Text: <input id="textBox" placeholder="you text"></p>
<canvas id="canvas" width="500" height="300">
	你的浏览器不支持canvas！
</canvas>

</body>
</html>